4-1. What are three categories that describe the nature of information resources? Give an example of each. How do you characterize the relationships within each category of information?
4-3. What are the characteristics of information that affect quality? What are examples of each?
4-5. What are the major disadvantages of file processing systems? What are four specific problems associated with file processing systems?
4-7. What are the steps in planning a relational data model? Are there benefits to the planning stage?